diff --git a/CHANGELOG.md b/CHANGELOG.md
index f6a9826..a26f6bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
+## [0.2.6] - 2023-11-22
+- update readme.md
+
+
 ## [0.2.5] - 2023-02-10
 - update readme.md
 - implement **toSeconds()** -> 45.123 or 45.123456
diff --git a/README.md b/README.md
index 7873901..522c51f 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,17 @@
+
 [![Arduino CI](https://github.com/RobTillaart/timing/workflows/Arduino%20CI/badge.svg)](https://github.com/marketplace/actions/arduino_ci)
 [![Arduino-lint](https://github.com/RobTillaart/timing/actions/workflows/arduino-lint.yml/badge.svg)](https://github.com/RobTillaart/timing/actions/workflows/arduino-lint.yml)
 [![JSON check](https://github.com/RobTillaart/timing/actions/workflows/jsoncheck.yml/badge.svg)](https://github.com/RobTillaart/timing/actions/workflows/jsoncheck.yml)
+[![GitHub issues](https://img.shields.io/github/issues/RobTillaart/timing.svg)](https://github.com/RobTillaart/timing/issues)
+
 [![License: MIT](https://img.shields.io/badge/license-MIT-green.svg)](https://github.com/RobTillaart/timing/blob/master/LICENSE)
 [![GitHub release](https://img.shields.io/github/release/RobTillaart/timing.svg?maxAge=3600)](https://github.com/RobTillaart/timing/releases)
+[![PlatformIO Registry](https://badges.registry.platformio.org/packages/robtillaart/library/timing.svg)](https://registry.platformio.org/libraries/robtillaart/timing)
 
 
 # Timing
 
-Arduino library with wrappers for seconds, millis, and micros.
+Arduino library with wrappers for seconds, milliseconds, and microseconds.
 
 
 ## Description
@@ -113,8 +117,18 @@ Only for the seconds class for now.
   - measureable?
 - implement printable interface
   - add unit (s, ms, us)
-  - what layout to use?
-- move code to .cpp file?
+  - what layout to use? (culture dependent)
+- create a uint64_t seconds type?
 
 #### Wont
+- move code to .cpp file?
+
+
+## Support
+
+If you appreciate my libraries, you can support the development and maintenance.
+Improve the quality of the libraries by providing issues and Pull Requests, or
+donate through PayPal or GitHub sponsors.
+
+Thank you,
 
diff --git a/library.json b/library.json
index 13630d7..315a750 100644
--- a/library.json
+++ b/library.json
@@ -15,9 +15,9 @@
     "type": "git",
     "url": "https://github.com/RobTillaart/timing"
   },
-  "version": "0.2.5",
+  "version": "0.2.6",
   "license": "MIT",
-  "frameworks": "arduino",
+  "frameworks": "*",
   "platforms": "*",
   "headers": "timing.h"
 }
diff --git a/library.properties b/library.properties
index fc411d2..0d97817 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=timing
-version=0.2.5
+version=0.2.6
 author=Rob Tillaart <rob.tillaart@gmail.com>
 maintainer=Rob Tillaart <rob.tillaart@gmail.com>
 sentence=Arduino library with wrapper classes for seconds, millis and micros.
diff --git a/timing.h b/timing.h
index d7fa48d..33bcbca 100644
--- a/timing.h
+++ b/timing.h
@@ -2,12 +2,12 @@
 //
 //    FILE: timing.h
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.2.5
+// VERSION: 0.2.6
 // PURPOSE: Arduino library with wrapper classes for seconds millis micros
 //     URL: https://github.com/RobTillaart/timing
 
 
-#define TIMING_LIB_VERSION        (F("0.2.5"))
+#define TIMING_LIB_VERSION        (F("0.2.6"))
 
 
 class microSeconds
@@ -52,6 +52,7 @@ class seconds
   double toSeconds()              { return millis() * 0.001 - _offset; };
 
   //  experimental
+  //  does not include days (beyond 99 hrs)
   char * toClock()
   {
     static char buf[12];